cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/output/gl_renderer_unittest.cc

Index: cc/output/gl_renderer_unittest.cc
diff --git a/cc/output/gl_renderer_unittest.cc b/cc/output/gl_renderer_unittest.cc
index 882e46fc0d52cdc31d938f3740d9d88a27b2a3db..40d0d35d78302b50808af38546b632da3973afe6 100644
--- a/cc/output/gl_renderer_unittest.cc
+++ b/cc/output/gl_renderer_unittest.cc
@@ -1740,7 +1740,8 @@ TEST_F(GLRendererShaderTest, DrawRenderPassQuadSkipsAAForClippingTransform) {
   // Verify that the test transform and test rect actually do cause the clipped
   // flag to trigger. Otherwise we are not testing the intended scenario.
   bool clipped = false;
-  MathUtil::MapQuad(transform_preventing_aa, gfx::QuadF(child_rect), &clipped);
+  MathUtil::MapQuad(transform_preventing_aa, gfx::QuadF(gfx::RectF(child_rect)),
+                    &clipped);
   ASSERT_TRUE(clipped);
 
   child_pass = AddRenderPass(&render_passes_in_draw_order_,